/* ================================================================
   Shared Header & Footer Styles (all pages)
   ================================================================ */

/* ============ Header / Navigation ============ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: #fff; border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 32px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.35rem;
  color: var(--color-primary); letter-spacing: 1px;
}
.brand-logo-img {
  height: 36px; width: auto; display: block;
}
.main-nav ul { display: flex; gap: 4px; }
.main-nav a {
  display: block; padding: 10px 16px;
  font-weight: 600; font-size: .95rem;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}
.header-cta { display: flex; align-items: center; }
.hamburger {
  display: none; width: 40px; height: 40px;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; background: none; border: 0; cursor: pointer;
}
.hamburger span {
  display: block; width: 22px; height: 2.5px;
  background: var(--color-text); border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  display: none; flex-direction: column;
  padding: 16px 24px 24px; background: #fff;
  border-top: 1px solid var(--color-border); gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block; padding: 14px 8px;
  font-weight: 600; font-size: 1rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
}
.mobile-nav a:hover { color: var(--color-primary); }

/* ============ Footer ============ */
.site-footer {
  background: #1a1a2e; padding: 72px 0 0; color: #fff;
}
.footer-top {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; margin-bottom: 56px;
}
.footer-brand h3 { color: #fff; font-size: 1.5rem; margin-bottom: 16px; }
.footer-social { display: flex; gap: 16px; margin-bottom: 28px; }
.footer-social a {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.1); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700; line-height: 1;
  transition: background var(--transition-fast);
}
.footer-social a:hover { background: var(--color-primary); }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; }
.footer-links h4 {
  color: #fff; font-size: .85rem;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.7); font-size: .9rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--color-primary); }
.footer-newsletter h3 { color: #fff; font-size: 1.35rem; margin-bottom: 16px; }
.newsletter-form { display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.newsletter-form input[type="email"] {
  width: 100%; padding: 12px 16px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-md);
  color: #fff; font-size: .95rem;
}
.newsletter-form input[type="email"]::placeholder { color: rgba(255,255,255,.5); }
.newsletter-form input[type="email"]:focus { outline: none; border-color: var(--color-primary); }
.newsletter-checkbox { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: rgba(255,255,255,.65); }
.newsletter-checkbox input { accent-color: var(--color-primary); }
.newsletter-form button {
  align-self: flex-start;
  background: var(--color-primary); color: #fff;
  padding: 12px 32px; border-radius: var(--radius-md);
  font-weight: 700; font-size: .95rem;
  transition: background var(--transition-fast);
}
.newsletter-form button:hover { background: var(--color-primary-dark); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.footer-copyright { font-size: .85rem; color: rgba(255,255,255,.55); }
.footer-legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-legal a { font-size: .85rem; color: rgba(255,255,255,.55); transition: color var(--transition-fast); }
.footer-legal a:hover { color: var(--color-primary); }

/* ============ Responsive Header/Footer ============ */
@media (max-width: 900px) {
  .main-nav, .header-cta .btn { display: none; }
  .hamburger { display: flex; }
  .site-footer { padding: 56px 0 0; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 600px) {
  .site-footer { padding: 40px 0 0; }
  .footer-links { grid-template-columns: 1fr; }
}

/* ============ Floating Contact Buttons ============ */
.floating-contact {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.floating-contact a,
.back-to-top {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  text-decoration: none;
  position: relative;
  cursor: pointer;
  border: none;
  padding: 0;
}
.floating-contact a:hover,
.back-to-top:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}
.floating-contact svg,
.back-to-top svg {
  width: 26px;
  height: 26px;
  fill: #fff;
}
.floating-whatsapp {
  background: #25D366;
}
.floating-email {
  background: var(--color-primary);
}
.back-to-top {
  background: #555;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}
.floating-contact .fc-tooltip,
.back-to-top .fc-tooltip {
  position: absolute;
  right: 62px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.floating-contact a:hover .fc-tooltip,
.back-to-top:hover .fc-tooltip {
  opacity: 1;
}
@media (max-width: 600px) {
  .floating-contact {
    right: 16px;
    bottom: 24px;
    gap: 10px;
  }
  .floating-contact a,
  .back-to-top {
    width: 46px;
    height: 46px;
  }
  .floating-contact svg,
  .back-to-top svg {
    width: 22px;
    height: 22px;
  }
  .floating-contact .fc-tooltip,
  .back-to-top .fc-tooltip {
    display: none;
  }
}